Preheat oven to 400 F.
Cook pasta according to package directions, drain, and set aside.
Fill a large pot with water, and bring to a boil. Add in the chopped cauliflower and carrots. Cook for 10-15 minutes, or until softened. Drain, and add to a food processor or high speed blender.
Add in the oil, water, lemon juice, nutritional yeast, onion powder, garlic powder, salt and pepper. Process/blend until smooth.
Add cheese sauce to your pot full of drained pasta and mix well. Top with vegan cheese, bread crumbs and Italian seasoning.
Bake in the oven for 15-20 minutes, or until cheese is melted. Enjoy!